| Clue | Source | Date |
|---|---|---|
| Nickname for the subzero 1967 N.F.L. Championship Game | New York Times | 14 Oct 2021 |
| Nickname for the 1967 N.F.L. Championship Game, famously played at about -15° | New York Times | 15 Dec 2020 |
| Nickname of the subzero 1967 N.F.L. Championship Game | New York Times | 18 Jan 2019 |
| Nickname of the subzero 1967 N.F.L. Championship Game | ||
| Nickname of the 1967 NFL Championship Game | ||
| Nickname of the 1967 NFL Championship Game |